OpenTechnical

OT-2026-000085900

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000085900) never changes.

Identity and time

Publication numberOT-2026-000085900 · never reused
Internal UUID01a0ae99-e82a-767d-b9bf-297ced125be8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085900
StatusPUBLIC

Content hashes

Canonical text47d9ec0a48fc5bb8cb99a562951a3f6147436a1e1ca70afe52933588de514531
Markdown57f8bcab4c50954c05a58f485d1fadccc32a8a2bbd090667bb47dbb0b96b8def
PDF
Publication page85d35c0ce7a685d16885bb69cfed385cd65c4a133a77decd14115aad55d67993
Manifeste612a2265115bfc9f2f84e048c76760c998e007e79231592a34905086a1d13eb

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatured+ygNs2IDA7IfJLvj9VDVNw8hYeLtpPXxXjmTrVp+hFV6EAeaoxFixLdu44NWV6lxDGNcTunteWwLglOHH9mDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:50.635306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085900
observed 85d35c0ce7a685d16885bb69cfed385c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.617649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085900/manifest.json
observed e612a2265115bfc9f2f84e048c76760c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.600789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085900/publication.md
observed 57f8bcab4c50954c05a58f485d1fadcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.583336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085900/publication.txt
observed 47d9ec0a48fc5bb8cb99a562951a3f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.